updating ubuntu

[aerospace1028 at hotmail.com]

Greetings all,
I successfully installed ubuntu 7.10 "gutsy gibbon" this morning.
 
The machine I installed on does not have an internet connection.  I am interested in finding out how to upgrade to a newer version of orca.  I know synaptic can generate a shell script to download the deb packages, but without an internet connection, ubuntu thinks I have the most up-to-date orca around.
 
I poked around the ubuntu arcives and think I found the right gnome-orca deb file, but i don't know how to install it on my ubuntu system or if thereare any other dependencies.  Wen I try opening th file in ubuntu, just below the menu bar tere's an erro message saying omethng about how this would conflict with the existing orca installation.
 
Does anyone know how to install orca this way?
 
Thank you
Thank you
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